/*
 * Copyright 2009 XueSong Guo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.webwheel.template;

class CodeWriter {

    private StringBuilder sb = new StringBuilder();
    private boolean inWriter;

    public void code(String s) {
        if(inWriter) {
            sb.append("\");");
            inWriter = false;
        }
        sb.append(s);
    }

    public void print(String s) {
        if(s.length()==0) return;
        if(!inWriter) {
            sb.append("pw.write(\"");
            inWriter = true;
        }
        sb.append(s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\n", "\\n").replace("\r", "\\r"));
    }

    public String toString() {
        return sb.toString();
    }
}
